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Individual Calculations February 2019 |
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| Tapia, Alexei Total change: 32.60 | |   |
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| Abierto Internacional Metropolitano Premier 2018 | San Jose | CRC | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2229 | 7.00 | 9 | 1.63 | 20 | 32.60 | |
|  Zeledon Perez, Edgar | | | 1829 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Calvo Gutierrez, Luis Guillermo | | | 1910 | CRC | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Gonzalez Acosta, Bernal | g | | 2451 | CRC | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Murillo Tsijli, Alexis | m | | 2285 | CRC | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Solano Cuya, Bryan | m | | 2231 | CRC | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Alfaro, William | f | | 2148 | NCA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Valdes Romero, Leonardo | m | | 2406 | CRC | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Ulloa Avellan, Oscar | | | 1861 | CRC | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Fernandez Sibaja, Felipe J | c | | 2111 | CRC | 1.00 | 1 | 0.34 | 20 | 6.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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